It displays online status of Yahoo, Google Talk, Skype, AIM and beautiful tooltip for Contact via Phone. Fully customizable from back-end :)
Perfect for corporate websites, business websites, ecommerce websites... where you want to interact with the customers or take support requests.
Demo 1.6 & 1.7: http://osc.rizvn.net
How to config: http://rizvn.net/rizvn-support
Note: This module requires that your have cURL installed on your server.